Return-tube boiler
[机] 回行火管锅炉
🧩 词语组成解析
🗣️ 情景例句
We'll talk about it out there.
我们到外头谈。
One cannot get blood from a stone.
石头里抽不出血。
Mentally, at least, most of us could compile formidable lists of 'dos' and 'don'ts'.
至少在大多数人的心里会编排出一份“应做什么”和“不应做什么”的令人生畏的单子。